/* roulang page: index */
:root{
  --c-primary:#0F6E5C;
  --c-primary-d:#0B5A4B;
  --c-accent:#FF6B2C;
  --c-accent-d:#E85F22;
  --c-ink:#12161B;
  --c-ink-2:#5A6169;
  --c-paper:#F7F6F1;
  --c-surface:#EFEDE6;
  --c-line:#E2DFD6;
  --c-dark:#0E1714;
  --c-live:#E5482F;
  --c-soon:#D98A1F;
  --c-ok:#2E9E6B;
  --sh-1:0 1px 2px rgba(18,22,27,.04), 0 8px 24px -12px rgba(18,22,27,.10);
  --sh-2:0 12px 32px -12px rgba(15,110,92,.22);
  --r-xl:16px;
  --r-md:12px;
  --r-sm:10px;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
.container-x{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (max-width:639px){.container-x{padding-left:16px;padding-right:16px}}

/* 时间刻度装饰 */
.tick-rule{display:flex;align-items:flex-end;gap:6px;height:12px}
.tick-rule i{display:block;width:1px;height:12px;background:var(--c-line)}
.tick-rule i:nth-child(3n){height:6px}
.tick-rule.on-dark i{background:rgba(255,255,255,.18)}

/* 品牌标记 */
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;gap:3px;flex:0 0 auto;
}
.brand-mark i{display:block;width:2px;height:12px;background:#fff;border-radius:1px}
.brand-mark i:last-child{background:rgba(255,255,255,.5)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;transition:all 180ms ease;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-d);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(255,107,44,.75)}
.btn-accent:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2)}
.btn-outline{border-color:rgba(15,110,92,.55);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:rgba(15,110,92,.08);border-color:var(--c-primary)}
.btn-ghost{color:var(--c-ink);background:transparent}
.btn-ghost:hover{background:var(--c-surface)}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,241,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow 180ms ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(18,22,27,.55)}
.nav-link{position:relative;font-size:14px;font-weight:500;color:#3A4149;padding:8px 2px;transition:color 180ms ease;white-space:nowrap}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--c-primary)}

/* 搜索框 */
.nav-search{
  position:relative;display:flex;align-items:center;width:100%;max-width:520px;height:48px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;padding-left:16px;
  transition:border-color 180ms ease, box-shadow 180ms ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,110,92,.12)}
.nav-search input{flex:1;min-width:0;height:100%;border:0;outline:none;background:transparent;font-size:14px;color:var(--c-ink);padding:0 10px}
.nav-search input::placeholder{color:#9AA0A6}
.nav-search button{
  height:36px;margin-right:6px;padding:0 16px;border-radius:999px;
  background:var(--c-primary);color:#fff;font-size:13px;font-weight:600;transition:background 180ms ease;
}
.nav-search button:hover{background:var(--c-primary-d)}
.hot-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-surface);color:#4C535B;font-size:12px;transition:all 180ms ease;
}
.hot-pill:hover{background:var(--c-primary);color:#fff}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;padding:4px 11px;line-height:1.4}
.badge-soon{background:rgba(217,138,31,.14);color:#A96712}
.badge-live{background:rgba(229,72,47,.14);color:#C03318}
.badge-cat{background:rgba(15,110,92,.10);color:var(--c-primary)}
.badge-soft{background:var(--c-surface);color:#4C535B}
.dot-live{width:7px;height:7px;border-radius:999px;background:var(--c-live);animation:breathe 1.6s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.dur-tag{
  position:absolute;right:8px;top:8px;background:rgba(14,23,20,.72);color:#fff;
  font-size:12px;padding:3px 9px;border-radius:999px;font-family:var(--mono);
  font-variant-numeric:tabular-nums;
}

/* Hero */
.hero-cover{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:#0E1714}
.hero-cover img{width:100%;height:100%;object-fit:cover}
.hero-cover::after{content:"";position:absolute;left:0;right:0;bottom:0;height:38%;background:linear-gradient(to top,rgba(14,23,20,.9),rgba(14,23,20,0))}
.hero-status{position:absolute;left:14px;top:14px;z-index:2}
.hero-time{position:absolute;right:16px;bottom:12px;z-index:2;color:rgba(255,255,255,.9);font-size:12px;font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;
  width:64px;height:64px;border-radius:999px;background:rgba(255,255,255,.82);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  backdrop-filter:blur(4px);transition:all 180ms ease;
}
.play-btn:hover{background:#fff;transform:translate(-50%,-50%) scale(1.07)}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-2)}
.meta-line .sep{width:1px;height:12px;background:var(--c-line)}

/* 倒计时 */
.countdown-band{background:var(--c-dark);border-radius:var(--r-xl);padding:26px 28px}
@media (max-width:639px){.countdown-band{padding:22px 18px}}
.cd-box{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;width:70px;height:70px;border-radius:var(--r-md);background:rgba(255,255,255,.06)}
.cd-num{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--c-accent);line-height:1;font-variant-numeric:tabular-nums}
.cd-lab{font-size:11px;color:rgba(255,255,255,.55);line-height:1}
@media (max-width:639px){.cd-box{width:100%;height:58px}.cd-num{font-size:22px}}

/* 看点列表 */
.hl-row{
  display:grid;grid-template-columns:56px 1fr auto;gap:16px;align-items:center;
  padding:16px;border-bottom:1px solid var(--c-line);position:relative;transition:background 180ms ease;
}
.hl-row:last-child{border-bottom:0}
.hl-row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-primary);transform:scaleY(0);transition:transform 180ms ease}
.hl-row:hover{background:rgba(15,110,92,.04)}
.hl-row:hover::before{transform:scaleY(1)}
.hl-num{font-family:var(--mono);font-size:20px;font-weight:700;color:rgba(18,22,27,.25);font-variant-numeric:tabular-nums}
.hl-time{font-size:13px;color:var(--c-ink-2);font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.hl-time-mobile{display:none;font-size:12px;color:var(--c-ink-2);margin-top:4px}
@media (max-width:639px){
  .hl-row{grid-template-columns:36px 1fr;gap:12px;padding:14px 12px}
  .hl-num{font-size:17px}
  .hl-time{display:none}
  .hl-time-mobile{display:block}
}

/* 卡片 */
.card{background:#fff;border:1px solid #E8E5DC;border-radius:var(--r-xl);box-shadow:var(--sh-1)}

/* 回放卡 */
.replay-card{display:flex;flex-direction:column;background:#fff;border:1px solid #E8E5DC;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1);transition:all 180ms ease;height:100%}
.replay-card:hover{transform:translateY(-2px);border-color:rgba(15,110,92,.35);box-shadow:var(--sh-2)}
.replay-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--c-surface)}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
.replay-card:hover .replay-thumb img{transform:scale(1.03)}
.replay-title{
  padding:14px 16px 0;font-size:16px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color 180ms ease;
}
.replay-card:hover .replay-title{color:var(--c-primary)}
.replay-meta{padding:8px 16px 16px;margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:var(--c-ink-2)}
.chip{display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;background:var(--c-surface);color:#4C535B;font-size:13px;transition:all 180ms ease;white-space:nowrap}
.chip:hover{background:#E4E1D8;color:var(--c-ink)}
.chip.active{background:var(--c-primary);color:#fff}

/* 表单 */
.field{
  height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);background:#fff;
  padding:0 16px;font-size:15px;color:var(--c-ink);outline:none;width:100%;
  transition:border-color 180ms ease, box-shadow 180ms ease;
}
.field::placeholder{color:#9AA0A6}
.field:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,110,92,.12)}
.privacy-note{font-size:12px;color:#8A9098;line-height:1.7}
.success-bar{background:rgba(46,158,107,.10);border:1px solid rgba(46,158,107,.3);border-radius:var(--r-md);padding:14px 16px;display:flex;align-items:center;gap:12px;font-size:14px;color:#1F7550}

/* 最新信息 */
.cms-row{display:block;padding:16px 14px;border-bottom:1px solid var(--c-line);transition:background 180ms ease;position:relative}
.cms-row:hover{background:rgba(15,110,92,.04)}
.cms-title{font-size:17px;font-weight:600;line-height:1.6;transition:color 180ms ease}
.cms-row:hover .cms-title{color:var(--c-primary)}
.cms-sum{font-size:14px;color:var(--c-ink-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width:639px){.cms-sum{-webkit-line-clamp:1}}
.empty-box{
  border:1px dashed var(--c-line);border-radius:var(--r-xl);min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:28px 20px;background:#fff;text-align:center;
}
.hot-row{display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:14px;line-height:1.6;transition:color 180ms ease}
.hot-row:last-child{border-bottom:0}
.hot-row:hover{color:var(--c-primary)}
.hot-idx{font-family:var(--mono);font-size:13px;color:var(--c-primary);font-weight:700;flex:0 0 auto;font-variant-numeric:tabular-nums}

/* 分类卡 */
.cat-card{display:flex;gap:20px;background:var(--c-surface);border:1px solid transparent;border-radius:var(--r-xl);padding:22px;transition:all 180ms ease;height:100%}
.cat-card:hover{background:#fff;border-color:rgba(15,110,92,.35);box-shadow:var(--sh-2);transform:translateY(-2px)}
.cat-thumb{width:112px;height:84px;border-radius:var(--r-md);overflow:hidden;flex:0 0 auto;background:#DCD8CE}
.cat-thumb img{width:100%;height:100%;object-fit:cover}
@media (max-width:639px){.cat-card{flex-direction:column;gap:14px}.cat-thumb{width:100%;height:130px}}

/* FAQ */
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:14px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);transition:color 180ms ease}
.faq-q:hover{color:var(--c-primary)}
.faq-q:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.faq-icon{flex:0 0 auto;width:20px;height:20px;color:var(--c-primary);transition:transform 220ms ease}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease}
.faq-a-inner{padding:0 4px 18px;font-size:15px;line-height:1.85;color:#414850}
.faq-item.open .faq-a{max-height:420px}

/* 深色 CTA */
.cta-band{background:var(--c-dark);border-radius:var(--r-xl);padding:36px 34px}
@media (max-width:639px){.cta-band{padding:26px 20px}}

/* 页脚 */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);margin-top:88px}
@media (max-width:639px){.site-footer{margin-top:56px}}
.footer-link{display:inline-block;font-size:14px;color:rgba(255,255,255,.68);transition:color 180ms ease;padding:4px 0}
.footer-link:hover{color:#fff}
.footer-col{padding-top:8px}
.footer-divide{border-top:1px solid rgba(255,255,255,.08)}

/* 返回顶部 */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:40;width:46px;height:46px;border-radius:999px;
  background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px -12px rgba(15,110,92,.7);opacity:0;visibility:hidden;transition:all 200ms ease;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-primary-d);transform:translateY(-2px)}
.to-top:focus-visible{outline:2px solid #fff;outline-offset:3px}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:60;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(18,22,27,.45)}
.drawer-panel{position:absolute;right:0;top:0;height:100%;width:88%;max-width:360px;background:#fff;padding:20px;overflow-y:auto}
.drawer-item{display:flex;align-items:center;justify-content:space-between;min-height:44px;font-size:15px;color:var(--c-ink);border-bottom:1px solid var(--c-line);transition:color 180ms ease}
.drawer-item:hover{color:var(--c-primary)}
.drawer-item.active{color:var(--c-primary);font-weight:600}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: article */
:root{
  --c-primary:#0F6E5C;
  --c-primary-deep:#0B5748;
  --c-accent:#FF6B2C;
  --c-ink:#12161B;
  --c-muted:#5A6169;
  --c-paper:#F7F6F1;
  --c-white:#FFFFFF;
  --c-surface:#EFEDE6;
  --c-line:#E2DFD6;
  --c-card-line:#E8E5DC;
  --c-dark:#0E1714;
  --c-live:#E5482F;
  --c-soon:#D98A1F;
  --c-ok:#2E9E6B;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,22,27,.04), 0 8px 24px -12px rgba(18,22,27,.10);
  --sh-2:0 12px 32px -12px rgba(15,110,92,.22);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.15em;}
::selection{background:rgba(15,110,92,.16);}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (max-width:640px){.container-x{padding-left:16px;padding-right:16px;}}

.mono{font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-variant-numeric:tabular-nums;}

/* ---------- 品牌标记 ---------- */
.brand-mark{
  width:26px;height:26px;border-radius:8px;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;gap:3px;flex:0 0 auto;
}
.brand-mark i{display:block;width:3px;height:12px;border-radius:2px;background:#fff;opacity:.92;}
.brand-mark i:last-child{height:8px;opacity:.55;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,241,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:0 1px 2px rgba(18,22,27,.05),0 10px 26px -18px rgba(18,22,27,.28);}
.nav-search{
  display:flex;align-items:center;gap:8px;width:100%;max-width:520px;height:48px;
  padding:0 6px 0 16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,110,92,.12);}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--c-ink);
}
.nav-search input::placeholder{color:#9AA0A6;}
.nav-search button{
  flex:0 0 auto;height:36px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:13px;font-weight:600;cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.nav-search button:hover{background:var(--c-primary-deep);}
.nav-search button:active{transform:translateY(1px);}
@media (max-width:640px){.nav-search{height:44px;}}

.nav-link{position:relative;font-size:14px;padding:6px 0;color:var(--c-ink);white-space:nowrap;}
.nav-link:hover{color:var(--c-primary);}
.nav-link:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--c-primary);
}

.hot-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-surface);color:var(--c-muted);font-size:12px;line-height:1;
  transition:background .18s ease,color .18s ease;
}
.hot-pill:hover{background:var(--c-primary);color:#fff;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.14);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 8px 22px -12px rgba(255,107,44,.6);}
.btn-accent:hover{background:#ED5A1B;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:rgba(15,110,92,.08);}
.btn-ghost{color:var(--c-ink);background:transparent;}
.btn-ghost:hover{background:var(--c-surface);}
.btn-sm{height:40px;padding:0 16px;font-size:13px;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1;
}
.badge-cat{background:rgba(15,110,92,.10);color:var(--c-primary);}
.badge-soft{background:var(--c-surface);color:var(--c-muted);}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--c-live);animation:pulse 1.6s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.82);}}

.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-surface);color:var(--c-muted);font-size:13px;
  transition:background .18s ease,color .18s ease;
}
.tag:hover{background:var(--c-primary);color:#fff;}

/* ---------- 装饰刻度 ---------- */
.tick-rule{display:flex;align-items:flex-end;gap:6px;height:14px;}
.tick-rule i{display:block;width:1px;height:12px;background:var(--c-line);}
.tick-rule i:nth-child(3n){height:6px;}
.tick-rule.on-dark i{background:rgba(255,255,255,.16);}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.card:hover{border-color:rgba(15,110,92,.35);transform:translateY(-2px);box-shadow:var(--sh-2);}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.8;color:#1B2026;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.45;font-weight:700;color:var(--c-ink);
  margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:20px;font-weight:700;margin:32px 0 12px;color:var(--c-ink);}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;color:var(--c-ink);}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--c-primary-deep);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.5em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:1px;background:var(--c-primary);
}
.article-body ol li{margin-bottom:.5em;}
.article-body blockquote{
  margin:0 0 1.4em;padding:16px 20px;background:var(--c-surface);
  border-left:3px solid var(--c-primary);border-radius:0 var(--r-md) var(--r-md) 0;color:#2A3138;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body thead th{background:var(--c-surface);text-align:left;font-weight:600;padding:12px 14px;color:var(--c-ink);}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--c-line);}
.article-body tbody tr:nth-child(even){background:#FBFAF6;}
.article-body code{
  font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:.92em;
  background:var(--c-surface);padding:2px 6px;border-radius:6px;color:#0B5748;
}
.article-body pre{
  background:var(--c-dark);color:#E8EDEA;border-radius:var(--r-md);padding:18px 20px;
  overflow-x:auto;font-size:14px;line-height:1.75;margin:0 0 1.4em;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

/* ---------- 侧栏 ---------- */
.side-card{background:#fff;border:1px solid var(--c-card-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:20px;}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  height:44px;font-size:14px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
  transition:color .18s ease,padding-left .18s ease;
}
.side-link:last-child{border-bottom:0;}
.side-link:hover{color:var(--c-primary);padding-left:4px;}

.form-field{
  width:100%;height:48px;padding:0 16px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  background:#fff;color:var(--c-ink);outline:0;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-field::placeholder{color:#9AA0A6;}
.form-field:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,110,92,.12);}
.form-field.error{border-color:var(--c-live);}
.form-note{font-size:12px;color:#9AA0A6;line-height:1.7;}
.form-error{font-size:12px;color:var(--c-live);margin-top:6px;}
.success-strip{
  display:flex;align-items:center;gap:10px;background:rgba(46,158,107,.10);
  border:1px solid rgba(46,158,107,.28);border-radius:var(--r-sm);padding:14px 16px;font-size:14px;color:#1F7A52;
}

/* ---------- 深色区 ---------- */
.dark-band{background:var(--c-dark);color:#fff;border-radius:var(--r-lg);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#fff;margin-top:88px;}
.footer-link{
  display:block;height:32px;line-height:32px;font-size:13px;color:rgba(255,255,255,.62);
  transition:color .18s ease,padding-left .18s ease;
}
.footer-link:hover{color:#fff;padding-left:4px;}
.footer-divide{border-top:1px solid rgba(255,255,255,.08);}
@media (max-width:1023px){
  .footer-col{border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:22px;}
  .footer-col:last-child{border-bottom:0;}
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:60;width:46px;height:46px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px -12px rgba(15,110,92,.7);border:0;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease,background .18s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-primary-deep);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;
}
.drawer.open{transform:translateX(0);}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:15px;color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer-link.active{color:var(--c-primary);font-weight:600;}

@media (max-width:767px){
  .site-footer{margin-top:56px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:18px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F6E5C;
  --c-primary-dark:#0C5C4D;
  --c-accent:#FF6B2C;
  --c-accent-dark:#E85C1F;
  --c-ink:#12161B;
  --c-sub:#5A6169;
  --c-paper:#F7F6F1;
  --c-white:#FFFFFF;
  --c-surface:#EFEDE6;
  --c-dark:#0E1714;
  --c-line:#E2DFD6;
  --c-line-soft:#E8E5DC;
  --c-live:#E5482F;
  --c-soon:#D98A1F;
  --c-ok:#2E9E6B;
  --r-lg:16px;
  --r-md:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,22,27,.04), 0 8px 24px -12px rgba(18,22,27,.10);
  --sh-hover:0 12px 32px -12px rgba(15,110,92,.22);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.site-body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--c-paper);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (max-width:640px){.container-x{padding-left:16px;padding-right:16px}}
.section-gap{padding-top:88px}
@media (max-width:1023px){.section-gap{padding-top:64px}}
@media (max-width:639px){.section-gap{padding-top:48px}}
.mono{font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-variant-numeric:tabular-nums}

/* ===== 品牌标记 ===== */
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--c-primary);position:relative;display:inline-block;flex:none}
.brand-mark i{position:absolute;background:rgba(255,255,255,.92);border-radius:2px}
.brand-mark i:nth-child(1){left:7px;top:9px;width:16px;height:2.5px}
.brand-mark i:nth-child(2){left:7px;top:17px;width:10px;height:2.5px}

/* ===== 头部 ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,241,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh-1)}

.nav-search{
  display:flex;align-items:center;gap:8px;
  width:100%;max-width:520px;height:48px;
  padding:0 6px 0 16px;
  background:var(--c-white);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,110,92,.12)}
.nav-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;line-height:1.4}
.nav-search input::placeholder{color:#9AA0A6}
.nav-search button{
  height:36px;padding:0 16px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:13px;font-weight:600;
  cursor:pointer;transition:background var(--ease);flex:none;
}
.nav-search button:hover{background:var(--c-primary-dark)}

.nav-link{position:relative;display:inline-block;font-size:15px;color:var(--c-sub);padding:6px 0;transition:color var(--ease)}
.nav-link:hover{color:var(--c-ink)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--c-primary)}

.hot-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-surface);
  font-size:12px;color:var(--c-sub);transition:background var(--ease),color var(--ease);
  white-space:nowrap;
}
.hot-pill:hover{background:var(--c-primary);color:#fff}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:14px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:0 12px 32px -12px rgba(255,107,44,.45)}
.btn-accent:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.2)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:rgba(15,110,92,.08)}
.btn-ghost{background:transparent;color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-surface)}
.btn-light{border-color:rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-light:hover{background:rgba(255,255,255,.12)}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 标签 / 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-cat{background:rgba(15,110,92,.10);color:var(--c-primary)}
.badge-soon{background:rgba(217,138,31,.14);color:var(--c-soon)}
.badge-ok{background:rgba(46,158,107,.14);color:var(--c-ok)}
.badge-mute{background:rgba(90,97,105,.12);color:var(--c-sub)}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--c-live);position:relative;flex:none}
.dot-live::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(229,72,47,.5);animation:breathe 1.8s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(.85);opacity:.7}50%{transform:scale(1.15);opacity:.15}}

/* ===== 刻度装饰 ===== */
.tick-rule{display:flex;gap:6px;align-items:flex-end;height:12px}
.tick-rule i{width:1px;height:12px;background:var(--c-line)}
.tick-rule.on-dark i{background:rgba(255,255,255,.18)}

/* ===== 面包屑 ===== */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;min-height:48px;font-size:13px;color:var(--c-sub)}
.crumb a{transition:color var(--ease)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C4C0B5}
.crumb .cur{color:var(--c-ink);font-weight:600}

/* ===== 页面头 ===== */
.page-head{
  background:var(--c-white);
  border:1px solid var(--c-line-soft);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center;padding:40px}
@media (max-width:1023px){.page-head-grid{grid-template-columns:1fr;gap:28px;padding:28px}}
@media (max-width:639px){.page-head-grid{padding:22px}}
.page-head h1{font-size:clamp(28px,4vw,40px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin:14px 0 0}
.page-head h1 em{font-style:normal;color:var(--c-primary);box-shadow:inset 0 -8px 0 rgba(15,110,92,.14)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--c-sub);margin-top:18px}
.meta-row .vline{width:1px;height:12px;background:var(--c-line)}
.head-figure{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:var(--c-surface)}
.head-figure img{width:100%;height:100%;object-fit:cover}
.head-figure .tag-on-img{
  position:absolute;left:12px;top:12px;
  background:rgba(14,23,20,.72);color:#fff;
  font-size:12px;font-weight:600;padding:5px 10px;border-radius:var(--r-pill);
  backdrop-filter:blur(4px);
}

/* ===== 目录条 ===== */
.toc-bar{
  position:sticky;top:72px;z-index:40;
  background:rgba(247,246,241,.93);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  margin-top:32px;
}
@media (max-width:767px){.toc-bar{top:60px}}
.toc-scroll{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.toc-scroll::-webkit-scrollbar{display:none}
.toc-pill{
  flex:none;display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:var(--c-surface);
  font-size:13px;color:var(--c-sub);
  transition:background var(--ease),color var(--ease);
}
.toc-pill:hover{background:rgba(15,110,92,.12);color:var(--c-primary)}
.toc-pill.active{background:var(--c-primary);color:#fff}

/* ===== 区块 ===== */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.6vw,28px);line-height:1.3;font-weight:700;margin:0;letter-spacing:-.01em}
.sec-head .lead{font-size:14px;color:var(--c-sub);margin-top:8px}
.sec-line{height:1px;background:var(--c-line);margin-top:18px}
.h2-bar{position:relative;padding-left:14px}
.h2-bar::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-primary)}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;margin-top:40px}
@media (max-width:1023px){.split{grid-template-columns:1fr;gap:26px}}
.split p{font-size:16px;line-height:1.85;color:#2A3037;margin:0 0 16px}
.split p:last-of-type{margin-bottom:12px}
.split .figure{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line-soft);background:var(--c-surface);aspect-ratio:4/3}
.split .figure img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.split .figure:hover img{transform:scale(1.03)}
.split.reverse .figure{order:-1}
@media (max-width:1023px){.split.reverse .figure{order:0}}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);transition:gap var(--ease),color var(--ease)}
.text-link:hover{gap:10px;color:var(--c-primary-dark)}

/* ===== 深色状态带 ===== */
.dark-band{
  background:var(--c-dark);color:#fff;border-radius:var(--r-lg);
  padding:30px 34px;
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);
  gap:32px;align-items:center;
}
@media (max-width:1023px){.dark-band{grid-template-columns:1fr;gap:22px;padding:26px 22px}}
.dark-band .db-label{font-size:14px;color:rgba(255,255,255,.7)}
.dark-band .db-time{font-size:13px;color:rgba(255,255,255,.5);margin-top:6px}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media (max-width:767px){.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}}
.stat-cell{background:rgba(255,255,255,.06);border-radius:var(--r-md);padding:14px 16px}
.stat-num{font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--c-accent);line-height:1.2}
.stat-num small{font-size:13px;font-weight:600;color:rgba(255,255,255,.6);margin-left:4px}
.stat-label{font-size:11px;color:rgba(255,255,255,.55);margin-top:6px;letter-spacing:.02em}

/* ===== 编号列表 ===== */
.num-list{border-top:1px solid var(--c-line);margin-top:36px}
.num-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) auto;
  gap:18px;align-items:center;
  min-height:76px;padding:14px 12px 14px 0;
  border-bottom:1px solid var(--c-line);
  position:relative;transition:background var(--ease);
}
.num-row::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:transparent;transition:background var(--ease)}
.num-row:hover{background:rgba(15,110,92,.04)}
.num-row:hover::before{background:var(--c-primary)}
.num-row .idx{font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:18px;font-weight:700;color:rgba(18,22,27,.25);padding-left:14px}
.num-row h3{font-size:17px;font-weight:600;margin:0 0 2px}
.num-row p{margin:0;font-size:14px;color:var(--c-sub);line-height:1.7}
.num-row .tail{font-size:13px;color:var(--c-sub);white-space:nowrap;padding-right:4px}
@media (max-width:639px){
  .num-row{grid-template-columns:40px minmax(0,1fr);min-height:auto;padding:14px 0}
  .num-row .idx{padding-left:12px;font-size:15px}
  .num-row .tail{grid-column:2;padding-top:4px;white-space:normal}
}

/* ===== 卡片 ===== */
.card{
  background:var(--c-white);
  border:1px solid var(--c-line-soft);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.card:hover{border-color:rgba(15,110,92,.35);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px}
@media (max-width:767px){.scene-grid{grid-template-columns:1fr;gap:16px}}
.scene-card{padding:24px}
@media (max-width:639px){.scene-card{padding:20px}}
.scene-card .ico{
  width:40px;height:40px;border-radius:10px;background:rgba(15,110,92,.10);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.scene-card h3{font-size:18px;font-weight:600;margin:0 0 8px}
.scene-card p{margin:0;font-size:14px;line-height:1.8;color:var(--c-sub)}

/* ===== 步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px}
@media (max-width:767px){.steps{grid-template-columns:1fr}}
.step{display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;padding:22px}
.step .sn{
  font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;
  font-size:22px;font-weight:700;color:var(--c-primary);line-height:1.1;
}
.step h3{font-size:17px;font-weight:600;margin:0 0 6px}
.step p{margin:0;font-size:14px;line-height:1.8;color:var(--c-sub)}

/* ===== FAQ ===== */
.faq-wrap{border-top:1px solid var(--c-line);margin-top:36px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:12px 4px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);cursor:pointer;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:var(--r-pill);
  background:var(--c-surface);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{
  background:var(--c-surface);border-radius:var(--r-md);
  padding:16px 20px;margin:0 0 16px;
  font-size:15px;line-height:1.8;color:#3A4148;
}

/* ===== 订阅 ===== */
.subscribe{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:28px;align-items:center;padding:32px;
  background:var(--c-white);border:1px solid var(--c-line-soft);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
}
@media (max-width:1023px){.subscribe{grid-template-columns:1fr;padding:24px}}
.subscribe h3{font-size:20px;font-weight:700;margin:0 0 8px}
.subscribe p{margin:0;font-size:14px;color:var(--c-sub);line-height:1.8}
.sub-form{display:flex;gap:10px}
@media (max-width:639px){.sub-form{flex-direction:column}}
.sub-form input{
  flex:1;min-width:0;height:48px;padding:0 16px;
  background:var(--c-white);border:1px solid var(--c-line);
  border-radius:var(--r-btn);outline:0;font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-form input::placeholder{color:#9AA0A6}
.sub-form input:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(15,110,92,.12)}
.sub-form .btn{height:48px}
@media (max-width:639px){.sub-form .btn{width:100%}}
.form-note{font-size:12px;color:#9AA0A6;margin-top:10px}
.sub-success{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:rgba(46,158,107,.10);border:1px solid rgba(46,158,107,.28);
  border-radius:var(--r-btn);padding:14px 18px;font-size:14px;color:#1F6B4B;
}
.sub-success .ok-ico{
  width:24px;height:24px;border-radius:50%;background:var(--c-ok);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:none;font-size:14px;
}

/* ===== 底部 CTA ===== */
.cta-band{
  background:var(--c-dark);color:#fff;border-radius:var(--r-lg);
  padding:36px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
@media (max-width:639px){.cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start}}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin:0 0 8px;line-height:1.35}
.cta-band p{margin:0;font-size:14px;color:rgba(255,255,255,.6)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:639px){.cta-actions{width:100%}.cta-actions .btn{flex:1}}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:#fff;margin-top:88px}
@media (max-width:1023px){.site-footer{margin-top:64px}}
.footer-col{min-width:0}
.footer-link{
  display:block;font-size:13px;color:rgba(255,255,255,.6);
  padding:6px 0;transition:color var(--ease),padding-left var(--ease);
}
.footer-link:hover{color:#fff;padding-left:4px}
.footer-divide{border-top:1px solid rgba(255,255,255,.08)}

/* ===== 移动端抽屉 ===== */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:var(--c-paper);
  transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  overflow-y:auto;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;border-bottom:1px solid var(--c-line);
  font-size:15px;color:var(--c-ink);
}
.drawer-link.active{color:var(--c-primary);font-weight:600}

/* ===== 回到顶部 ===== */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:44px;height:44px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-hover);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease),transform var(--ease);
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-2px)}
@media (max-width:639px){.to-top{right:16px;bottom:16px}}

/* roulang page: category2 */
:root{
  --c-primary:#0F6E5C;
  --c-primary-dark:#0C5A4B;
  --c-accent:#FF6B2C;
  --c-ink:#12161B;
  --c-sub:#5A6169;
  --c-paper:#F7F6F1;
  --c-surface:#EFEDE6;
  --c-line:#E2DFD6;
  --c-line-soft:#E8E5DC;
  --c-dark:#0E1714;
  --c-live:#E5482F;
  --c-soon:#D98A1F;
  --c-ok:#2E9E6B;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(18,22,27,.04), 0 8px 24px -12px rgba(18,22,27,.10);
  --sh-2:0 12px 32px -12px rgba(15,110,92,.22);
  --dur:180ms;
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Consolas,monospace;
  --nav-h:112px;
}
@media (max-width:1023px){ :root{ --nav-h:72px; } }
@media (max-width:639px){ :root{ --nav-h:60px; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button,input{ font-family:inherit; }
h1,h2,h3,h4{ margin:0; letter-spacing:-0.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (max-width:639px){
  .container-x{ padding-left:16px; padding-right:16px; }
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(247,246,241,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--dur) ease;
}
.site-header.is-scrolled{ box-shadow:0 8px 24px -16px rgba(18,22,27,.28); }

.brand-mark{
  width:26px; height:26px;
  border-radius:8px;
  background:var(--c-primary);
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  flex-shrink:0;
}
.brand-mark i{ display:block; width:12px; height:2px; border-radius:2px; background:rgba(255,255,255,.9); }
.brand-mark i:last-child{ width:8px; }

.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:100%;
  max-width:540px;
  height:48px;
  padding:0 6px 0 16px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:999px;
  transition:border-color var(--dur) ease, box-shadow var(--dur) ease;
}
.nav-search:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(15,110,92,.12);
}
.nav-search input{
  flex:1;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  font-size:14px;
  color:var(--c-ink);
}
.nav-search input::placeholder{ color:#9AA0A6; }
.nav-search button{
  height:36px;
  padding:0 18px;
  border:0;
  border-radius:999px;
  background:var(--c-primary);
  color:#fff;
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  flex-shrink:0;
  transition:background var(--dur) ease;
}
.nav-search button:hover{ background:var(--c-primary-dark); }

.nav-link{
  position:relative;
  font-size:15px;
  color:var(--c-ink);
  padding:6px 2px;
  transition:color var(--dur) ease;
  white-space:nowrap;
}
.nav-link:hover{ color:var(--c-primary); }
.nav-link.active{ color:var(--c-primary); font-weight:600; }
.nav-link.active::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.nav-link:focus-visible{ outline:2px solid var(--c-primary); outline-offset:3px; border-radius:4px; }

.hot-pill{
  height:26px;
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  border-radius:999px;
  background:var(--c-surface);
  font-size:12px;
  color:var(--c-sub);
  white-space:nowrap;
  transition:background var(--dur) ease, color var(--dur) ease;
}
.hot-pill:hover{ background:var(--c-primary); color:#fff; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background var(--dur) ease, color var(--dur) ease, transform var(--dur) ease, box-shadow var(--dur) ease, border-color var(--dur) ease;
}
.btn-sm{ height:40px; padding:0 18px; font-size:14px; }
.btn-primary{ background:var(--c-primary); color:#fff; }
.btn-primary:hover{ background:var(--c-primary-dark); transform:translateY(-1px); box-shadow:var(--sh-2); }
.btn-primary:active{ transform:translateY(0); box-shadow:inset 0 2px 6px rgba(0,0,0,.20); }
.btn-accent{ background:var(--c-accent); color:#fff; }
.btn-accent:hover{ background:#E85C1F; transform:translateY(-1px); box-shadow:0 12px 32px -12px rgba(255,107,44,.5); }
.btn-accent:active{ transform:translateY(0); box-shadow:inset 0 2px 6px rgba(0,0,0,.20); }
.btn-outline{ border-color:var(--c-primary); color:var(--c-primary); background:transparent; }
.btn-outline:hover{ background:rgba(15,110,92,.08); transform:translateY(-1px); }
.btn-light{ border-color:rgba(255,255,255,.35); color:#fff; background:transparent; }
.btn-light:hover{ background:rgba(255,255,255,.12); transform:translateY(-1px); }
.btn:focus-visible{ outline:2px solid var(--c-primary); outline-offset:2px; }
.btn:disabled{ opacity:.45; cursor:not-allowed; transform:none; box-shadow:none; }

/* ---------- Badges & ticks ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-cat{ background:rgba(15,110,92,.10); color:var(--c-primary); }
.badge-soon{ background:rgba(217,138,31,.14); color:#A9690B; }
.badge-live{ background:rgba(229,72,47,.12); color:var(--c-live); }
.badge-ok{ background:rgba(46,158,107,.12); color:#1F7A50; }
.dot-live{
  width:7px; height:7px; border-radius:50%;
  background:var(--c-live);
  animation:breathe 1.6s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{ opacity:1; transform:scale(1); }
  50%{ opacity:.45; transform:scale(.82); }
}

.tick-rule{ display:flex; align-items:flex-end; gap:6px; height:12px; }
.tick-rule i{ display:block; width:1px; height:12px; background:var(--c-line); }
.tick-rule i:nth-child(3n){ height:7px; }
.tick-rule.on-dark i{ background:rgba(255,255,255,.18); }

/* ---------- Hero ---------- */
.hero-cover{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--c-line-soft);
  box-shadow:var(--sh-1);
  background:var(--c-dark);
}
.hero-cover img{ width:100%; height:100%; object-fit:cover; aspect-ratio:16/9; }
.hero-cover::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:38%;
  background:linear-gradient(to top, rgba(14,23,20,.78), rgba(14,23,20,0));
}
.hero-cover .cover-meta{
  position:absolute; right:14px; bottom:12px;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  color:rgba(255,255,255,.9);
  z-index:2;
}
.hero-cover .cover-badge{ position:absolute; left:14px; top:14px; z-index:2; }

.meta-divider{ width:1px; height:12px; background:var(--c-line); display:inline-block; }

/* ---------- Countdown band ---------- */
.countdown-band{
  background:var(--c-dark);
  border-radius:var(--r-lg);
  padding:24px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cd-grid{ display:flex; gap:12px; }
.cd-cell{
  width:64px; height:64px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.06);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
}
.cd-cell span{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:28px;
  line-height:1;
  font-weight:700;
  color:var(--c-accent);
}
.cd-cell em{ font-style:normal; font-size:11px; color:rgba(255,255,255,.55); letter-spacing:.06em; }
@media (max-width:639px){
  .countdown-band{ padding:20px; }
  .cd-grid{ width:100%; }
  .cd-cell{ flex:1; width:auto; height:58px; }
  .cd-cell span{ font-size:24px; }
}

/* ---------- TOC ---------- */
.toc-bar{
  position:sticky;
  top:var(--nav-h);
  z-index:30;
  background:rgba(247,246,241,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--dur) ease;
}
.toc-bar.is-scrolled{ box-shadow:0 8px 20px -16px rgba(18,22,27,.28); }
.toc-pill{
  height:34px;
  display:inline-flex;
  align-items:center;
  padding:0 16px;
  border-radius:999px;
  background:var(--c-surface);
  font-size:13px;
  color:var(--c-sub);
  white-space:nowrap;
  transition:background var(--dur) ease, color var(--dur) ease;
}
.toc-pill:hover{ background:var(--c-primary); color:#fff; }
.toc-pill.active{ background:var(--c-primary); color:#fff; font-weight:600; }

section[id]{ scroll-margin-top:130px; }

/* ---------- Sections ---------- */
.section{ padding-top:88px; }
@media (max-width:1023px){ .section{ padding-top:64px; } }
@media (max-width:639px){ .section{ padding-top:48px; } }

.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.h2-title{ font-size:28px; line-height:1.35; font-weight:700; }
.h3-title{ font-size:20px; line-height:1.4; font-weight:700; }
.section-rule{ height:1px; background:var(--c-line); margin-top:16px; }

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-primary);
  font-size:14px;
  font-weight:600;
  transition:color var(--dur) ease, gap var(--dur) ease;
}
.text-link:hover{ color:var(--c-primary-dark); gap:10px; }

.img-frame{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--c-line-soft);
  box-shadow:var(--sh-1);
}
.img-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:4/3;
  transition:transform var(--dur) ease;
}
.img-frame:hover img{ transform:scale(1.03); }

/* ---------- List rows ---------- */
.list-row{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr auto;
  align-items:center;
  gap:20px;
  padding:18px 16px 18px 0;
  border-bottom:1px solid var(--c-line);
  transition:background var(--dur) ease;
}
.list-row::before{
  content:"";
  position:absolute;
  left:0; top:12px; bottom:12px;
  width:3px;
  border-radius:3px;
  background:var(--c-primary);
  opacity:0;
  transition:opacity var(--dur) ease;
}
.list-row:hover{ background:rgba(15,110,92,.04); }
.list-row:hover::before{ opacity:1; }
.list-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:20px;
  font-weight:700;
  color:rgba(18,22,27,.25);
}
.list-row:hover .list-title{ color:var(--c-primary); }
.list-title{ font-size:17px; font-weight:600; transition:color var(--dur) ease; }
.list-desc{ font-size:14px; color:var(--c-sub); line-height:1.7; }
.list-dur{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  color:var(--c-sub);
  white-space:nowrap;
}
@media (max-width:639px){
  .list-row{ grid-template-columns:40px 1fr; gap:12px; padding:16px 8px 16px 0; }
  .list-dur{ grid-column:2; justify-self:start; }
}

/* ---------- Cards ---------- */
.stat-card{
  background:#fff;
  border:1px solid var(--c-line-soft);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:border-color var(--dur) ease, transform var(--dur) ease, box-shadow var(--dur) ease;
}
.stat-card:hover{
  border-color:rgba(15,110,92,.35);
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.stat-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.1;
}
.stat-label{ font-size:13px; color:var(--c-sub); margin-top:6px; }

/* ---------- Subscribe ---------- */
.sub-card{
  background:#fff;
  border:1px solid var(--c-line-soft);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:28px;
}
.sub-form{ display:flex; gap:10px; align-items:center; }
.sub-input{
  height:48px;
  width:320px;
  max-width:100%;
  padding:0 16px;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  background:#fff;
  font-size:14px;
  color:var(--c-ink);
  outline:0;
  transition:border-color var(--dur) ease, box-shadow var(--dur) ease;
}
.sub-input::placeholder{ color:#9AA0A6; }
.sub-input:focus{ border-color:var(--c-primary); box-shadow:0 0 0 4px rgba(15,110,92,.12); }
.sub-input.is-error{ border-color:var(--c-live); box-shadow:0 0 0 4px rgba(229,72,47,.10); }
.sub-error{ display:none; font-size:12px; color:var(--c-live); margin-top:8px; }
.sub-success{
  display:none;
  align-items:center;
  gap:12px;
  background:rgba(46,158,107,.10);
  border:1px solid rgba(46,158,107,.28);
  border-radius:var(--r-md);
  padding:16px 18px;
  font-size:14px;
  color:#1F7A50;
}
@media (max-width:639px){
  .sub-form{ flex-direction:column; align-items:stretch; }
  .sub-input{ width:100%; }
  .sub-form .btn{ width:100%; }
}

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--c-line); }
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px;
  padding:12px 0;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  cursor:pointer;
  transition:color var(--dur) ease;
}
.faq-q:hover{ color:var(--c-primary); }
.faq-q:focus-visible{ outline:2px solid var(--c-primary); outline-offset:3px; border-radius:6px; }
.faq-icon{
  flex-shrink:0;
  width:22px; height:22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--c-primary);
  transition:transform var(--dur) ease;
}
.faq-item.open .faq-icon{ transform:rotate(45deg); }
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a-inner{
  background:var(--c-surface);
  border-radius:var(--r-md);
  padding:16px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-sub);
  margin-bottom:16px;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background-color:var(--c-dark);
  background-size:cover;
  background-position:center;
  padding:40px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(14,23,20,.94), rgba(14,23,20,.72));
}
.cta-band > *{ position:relative; z-index:1; }
@media (max-width:639px){
  .cta-band{ padding:28px 20px; flex-direction:column; align-items:stretch; text-align:center; }
  .cta-band .cta-actions{ justify-content:center; }
}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:60;
  background:#fff;
  transform:translateY(-8px);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--dur) ease, transform var(--dur) ease;
  overflow-y:auto;
}
.mobile-drawer.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
.drawer-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:44px;
  padding:0 4px;
  border-bottom:1px solid var(--c-line);
  font-size:15px;
  color:var(--c-ink);
}
.drawer-row:hover{ color:var(--c-primary); }

/* ---------- Back to top ---------- */
.back-top{
  position:fixed;
  right:24px; bottom:28px;
  width:46px; height:46px;
  border-radius:50%;
  background:var(--c-primary);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  border:0;
  cursor:pointer;
  box-shadow:0 12px 28px -12px rgba(15,110,92,.55);
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity var(--dur) ease, transform var(--dur) ease, background var(--dur) ease;
  z-index:40;
}
.back-top.show{ opacity:1; pointer-events:auto; transform:translateY(0); }
.back-top:hover{ background:var(--c-primary-dark); }
.back-top:focus-visible{ outline:2px solid var(--c-ink); outline-offset:3px; }
@media (max-width:639px){ .back-top{ right:16px; bottom:18px; width:42px; height:42px; } }

/* ---------- Footer ---------- */
.site-footer{ background:var(--c-dark); color:#fff; margin-top:96px; }
@media (max-width:639px){ .site-footer{ margin-top:64px; } }
.footer-link{
  display:block;
  font-size:13px;
  line-height:2.2;
  color:rgba(255,255,255,.6);
  transition:color var(--dur) ease, padding-left var(--dur) ease;
}
.footer-link:hover{ color:#fff; padding-left:4px; }
.footer-divide{ border-top:1px solid rgba(255,255,255,.08); }